docs: def date_clean(date, dashboard_style=False):
    """
    Clean the numerical date value in order to present it.
  
    Args:
      boo: numerical date (20160205)
    Returns:
      Stringified version of the input date ("2016-02-05")
    """
    if dashboard_style:
      dt = str(date)
      out = dt[4:6] + '/' + dt[6:] + '/' + dt[:4]
    else:
      dt = str(date)
      out = dt[:4] + '-' + dt[4:6] + '-' + dt[6:]
    return out